您的设计必须是能够指导业务开发和决策制定的蓝图，并且要足够敏捷以快速改变方向。
Your design must be a blueprint that can guide business development and decision making, plus be nimble enough to change course quickly.
您的设计必须能够足够深入地挖掘，以提供组织在此刻需要的所有信息，但是又要足够敏捷，以在数小时内改变航向。
Your design must be able to dig deep enough to provide everything your organization needs at this moment but be nimble enough to change course within hours.
这样的设计使得维护几乎不可能实现，因为无论视图何时改变，您都必须改变模型逻辑，反之亦然。
Such a design makes maintenance all but impossible, because whenever the view changes, you must change the model logic, and vice versa.
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